Actually it is good, because tightening your stomach muscles strengthens them and supports your back, especially if you are lifting or moving something.
Filling a balloon with air is called inflating it.
Self inflating rafts come with their own compressed air; that's why they are self inflating. If it was not self inflating you would have to pump air into it to inflate it. In either case, rafts can be inflated by any form of gas, it does not have to be oxygen.
Inflating a balloon involves filling it with air or gas gradually to expand it to its full size. Bursting an inflating balloon occurs when the pressure of the air or gas inside the balloon exceeds the strength of the balloon material, causing it to rupture and release the air rapidly.
Yes but it can be dangerous sometimes! If the type of ink you use has toxins in it, that can be dangerous. Be safe!
By breathing in and out and inflating our LUNGS
By breathing in and out and inflating our LUNGS
Only if you don't protect yourself and your children.
Yes, it is and eventually you will die.
The independent variable for self-inflating balloons could be the type of material used in the balloon, such as latex versus plastic. This variable is changed or manipulated by the researcher to observe its effect on the self-inflating process of the balloon.
yes it is very dangerous, first you will develope hair all over your body, then have an undesireable urge to lick yourself and howl at the moon.
Any piercing can be dangerous for your health if you do it yourself or go to an inexperienced, unlicensed piercer.